Oxygen and water.
Two things the earth atmosphere keeps out are: Harmful radiation and Space debris
Air and huminity
There are more than two gases in the atmosphere. You need to specify the ones you are asking about.
peroxide and hydrogen.
The interaction between the atmosphere and biosphere affects all living things. Creatures and plants living in the biosphere need the atmosphere to survive.
The interaction between the atmosphere and biosphere affects all living things. Creatures and plants living in the biosphere need the atmosphere to survive.
The interaction between the atmosphere and biosphere affects all living things. Creatures and plants living in the biosphere need the atmosphere to survive.
The interaction between the atmosphere and biosphere affects all living things. Creatures and plants living in the biosphere need the atmosphere to survive.
The interaction between the atmosphere and biosphere affects all living things. Creatures and plants living in the biosphere need the atmosphere to survive.
Air and cloud vaper
You need two things before you can discuss difference between them!You need two things before you can discuss difference between them!You need two things before you can discuss difference between them!You need two things before you can discuss difference between them!
the atmosphere around the galaxy